Filler for jordan engines



Q;LsTmNBARGER FILLER FOR JORDAN ENGINES Aug. 2o, 1940.

Filed Aug. 1, 1938 A /7/5 Arm/wr Patented Aug. 20c,

; f UNITED l STATES FILLERron JORDAN ENGINES .c Y CharlesJQSteinbarger, Dayton, Qhio, assigner to l.

Simonds `Worden White Company, Dayton, Ohio, a corporation of Ohio l* l .Application August 1,1938, sei-iai m1222379 if 12 claims. louez- 27) This invention relates' to a filler for aJordan Infthewdrawing have illustrated the ller engine, such as is `commonly used for refining pulp in .paper making operations. As is well known the Jordan engine comprises a frusto-conical shell which is usually stationary and within which is` mounted a rotatable frusta-conical core or plug. The shell and plug have cooperating `surfaces which act on and refine the pulp or stuff, whichis introducedbetween the two membersat the smallerends thereof and travelsv lengthwise: through. the engine. The working surface of one or vboth l.members of. the Jordan may be provided byan element or elements which are separate from and removably attached to the shell orzplug as the case may be. kthus enabling `either of said. elements to `befreadily removed vfrom its supportingfmember and to be replaced or to lhave substituted therefor .another .element having a different typeof surface.. Such removable elements are known as fillers and maybe -be operated at.` a `higher `speed thanlis usual,

without requiring` additional power; and that the `time required to reduce thestuff to the desired degree of .flneness will be materially reduced.

A further object of the invention is to provide a filler `of such a character that the stuff will rbe` subjected to an abrasive` action as well'as to the cutting or drawingand brushing action of .the blades. w i A `further object of the invention is to provide a filler which will -be simple in construction and which can be manufactured at a4 relatively low cost. i

other objects of the invention m'ayapcar as* .the deviceis described detail. c

In the accompanying drawing Fig. 1 .is a sectiontaken longitudinally through the. shell and plus ora Jordan engine equipped with my improved flller; Fig 2 is ajtransverse section'of .portions of the fillers for the shell and plug, taken on the lineLZ-Z of l'fig.,.,1`; Fig. 3 is a perspective detail of a portionvv ofon'e of the fillers.

.-.which for` the purpose of illustration is shown las flat in form: and Fig. .4 is a-pla`n viewof a portion of a filler .with a partfof the `blades c c I c hereillustrated eachlflller includesa plurality of u broken away.

as `applied to a Jordan engine 'of conventional i type and` inasmuch as the invention resides -wholly in the `filler itself itis unnecessary to illustrate orvdescribed theJordan in detail.` Suf- 5 flce it to say that. the Jordan comprises a frusto` conical shell 5 mounted on suitable supports and usually fixed".` 'against rotation. Rotatably mounted. within the shell vis a frustofconical plug 6 `.which` may besupported in any suitable man-` 10 l ner, as by means of a central shaftjournaled vin vbearings arranged beyond the respective ends of the shell. The ends ofthe shell 'are "providedwith suitable closures. having openings for the plug shaftand provided respectivelywith an inlet and an outlet'for the' stuff.,` 'I'he shell and plug are here shown asof such relativeI diameters as to provide between thesame an .annular space of a size suilicient to receive two fillers secured'respectively to the shell andv to the plug. One or both elements of the"Jordan; and `usually the plug, 4is, made'longitudinally adjustable so as tobring the cooperating surfaces ofv the Ytwo fillers into, and maintain the 'same in, proper operating relation one to the other. "For `the purpose of 25 illustration Fig. 3` shows laportion of one of the fillers as flat .but it will be understood thatin practice the filler will be arcuate c in form, as shown in the other ,gurea a My improved filler comprises'A a bodyof hard 30- material shaped to"confofrm to the contour of `that; member of the. Jordan to which it is to be attached, and mounted in this body are a plurality of metallic members'having relatively short parts projecting beyond the working face of the body, which is herein referred to as the outer face thereof, to provide `relatively short elongate l blades .whichare arrangedto cooperate with cor- Vresponding blades of the filler on the other memrelatively large portionsof the stu to pass between the edges of the cooperating blades. Each filler may be formedin a'single piece or unit but when theshell and plug are of substantial length it is customaryfto divide the filler transversely into"aplurality-of sections and, if desired,- each section may, .for convenience in manufacturing and handling, be divided longitudinally into two c or more parts, segmental in cros's section.

4In' theparticularembodiment of the invention are preferably of a length equal to the length of the filler, or lto a transverse section of the ller whenv the latter is divided into sections. These bars are arranged in circular series and each bar has its longitudinal edges inthe plane which is substantially radial to the axisV of the plug. Each bar is provided inits' 'outer or working edge with a series of notches 8 which divide the edge portion of the bar into a series of projections or blades l spaced apartlengthwise of the bar, and

1 in the form illustrated thev side walls of each notch converge outwardly Thenotches preferably extend inwardly beyond the longitudinal center line oi' the barbut have their inner ends spaced such distances from the inner edge of the bar as will provide the latter vwith a continuous inner edge portion of substantial width. This continuousinner edge portion of each bar hasl yad- S0 jacentflongitudinal,portions thereof offset lateroppositelybent portionsin transverse alinement.

sothattnose portions oi eachbarwhich are bent Vin [one direction will lie close to or in contact withoppositelybent portions of a second bar on one side thereof, and those portions of thevrst mentioned bar Lwhicharfe bent in the other `direction will lievcloseto or in contacty with oppositely` bent portions of 1a third bar on the other side of the flrstmentionedfbary,thus forming between adjacent bars a series of` recesses or cells `whichin the' present arrangement; are substan- {tially rhomboidal in shape. As a result of this arrangement ,the blades at'the forward end of c each recess converve forwardly land have their forward ends spaced"4 one from the other, andv vthe blades at theother end of. the recess, which converge rearwardly, have their rearends spaced "one from thev otherpthus providing restricted passageways through which stufly may enter and leavethe recess. The bars may be rigidly con-l nected one to the other in any suitable manner, as by spot welding a part or all of the contacting portions of adjacent blades, as shown at I0.

.'ne inner portions of the bars are ilrmly seated in an arcuate mass `ofhard'material Il which is preferablyv introduced into the spaces between adjacent bars in a loose Vor plastic form and then hardened to provide a solid body for the'flller.

' This mass of materialis .of such thickness that it completely embe'ds' the continuou'sinner edge portionsoft'he bars and extends'through theinner portions of the notches, and due. tothe tapered shape ofthe notchesthe body and bars are rmly .interlocked and positively held against 'relative movement. The outer surface of this body or mass of material is spaced inwardly from the outer edges of the projections 9 so that these p rojections extend beyond the working surface of the mass of -material and provide relatively short l elongate blades spaced one from'the other, the

blades on eachflller being varranged to cooperate with the corresponding blades on the other ller so as to reduce the stuif with a cutting action or y 2,212,082 um 1 which extend lengthwise of the mie; and' with a drawing and brushingaction, as may be desired. The body of the illler preferably has an abrasive surface, which may be provided by forming the body of a suitable cement and, if desired,

including therein a hard granular abrasive substance.

The filler may be secured to the supporting member, within the shell or about the plug as the case may be, in any suitable manner. Preferably one or more of the longitudinal spaces between adjacent bars is left open, that is, it is not illled with thevplastic material and these bars are provided with means whereby they may be moved toward or from each other to contract .the filler about the plug or to expand the same Ainto ilrm engagement with the shell.` In the present instance lthe connecting means are in the form of turnbuckles I2 butobviously they may be of `any'suitable character. It is also desirable to rigidly secure each filler toits supporting member and this maybe' conveniently accompli'she'd by welding or otherwise securing a plurality of apertured lugs I3' to a part of the bars l'and connectingv these' lugs to the supporting member by means of screws or bolts Il extending through the supporting member.

In operation the plug rotates about its longitudinal axis within the shell and the stuff to be reduced' is introduced betweenfthel fillers at the smaller ends thereof and is forced under pressure lengthwise of the fillers and during its travel between the fillers `the cooperating blades act on the stuff to reflnethe'same. By the use of relatively short blades spaced one from the other the resistance offered to theirotation of the plug by the material which is engaged between the blades is materially reduced; thus permitting the piug'to be rotated at a relatively high speed and this higher speed of operation compensates for the reduced length of the working surface of the blades. As the stuff moves between the forwardly convergingl blades it is crowded over the edges of those bladesso that arelatively Ilarge amount of thestuff is engaged and acted upon by the blades, thus materiallyei'rpediting Lthe reduction of the stuff. Further, as the material is forced -between the fillers under pressure it travels in direct contactwith the abrasive surfaces of the fillers and the tortuous character ofthe passage-y ways through which the stuif must move causes the same to move overlrelativelyl. large parts of those surfaces and thel abrasive Vaction of these surfaces on the stuff serves to further reduce 'and renne the samefso that lthe nnisned product discharged fromv the Jordania of a fine quality and is producedl at a relatively high speed.

While I have shown and described one embodiment of my invention I wish -it to be understood that Il do not desire to be limited to the details thereof as various modifications may occur to ay person skilled in the art-l Having now .fully'described my invention, what I claim as new and desire to secure by Letters Patentis: l

v l. A ller vfor a Jordan engine comprising an arcuate mass of hardened material having an 'abrasive' surface, and a plurality of relatively short thin, blades mounted in and projecting bebeing spaced'onelfrom'the other and each blade being' angularly displaced with relation to adjacent blades. to form tortuous paasageways through which the stuff may flow in contact with said abrasive surface.

2. A filler for a Jordan engine comprising an Yyond"the surface of said'material. said bladesmaracas from the adjacent blades of that row.

3. A filler for a Jordan engine comprising an arcuate mass of hardened material and a plurality of relatively short blades mounted in and projecting beyond the surface of said material, each blade extending obliquely to the length of said filler and the several blades being spaced one from the other and arranged to form tortuous passageways for the stuff over said material.

4. A ller for a Jordan engine comprising an arcuate mass of hard material and a plurality of relatively short blades mounted in and projecting beyond the surface of said material and arranged in rows extending lengthwise of the axis of said arcuate mass, each blade of each row being arranged at an angle to and spaced from the adjacent blades of that row, the correspondl lng blades in the several rows being arranged in lines transverse to said axis and each blade having its ends spaced from the adjacent blades.v

5. A filler for a Jordan'engine comprising an arcuatevmass of hard material and a plurality of relatively short blades mounted in and projecting beyond the surface of said material, said blades being arranged to form a plurality of pairs of converging bailles in the path of the stuff through said engine, each pair of baffles having at that end toward which they converge an opening through which stuff may flow in contact with said mass of material.

6. A ller for a Jordan engine comprising an arcuate mass of hard material and a plurality of relatively short blades mounted in and projecting beyond the surface of said material and spaced apart both lengthwiseof and transverse to the axis of said arcuate mass, said blades being arranged in pairs and the blades of each pair converging in the direction of flow of the stui! in said engine.

7. A filler for a Jordan engine comprising anv beyond the surface of said material, the correspending parts of adjacent members converging one toward the other and being spaced apart throughout their length.

8. A ller for a Jordan engine comprising a plurality of bars arranged side by side in circular series, each bar having adjacent portions bent laterally in opposite directions, the laterally bent portions ofy each bar being arranged in transverse alinement with oppositely bent portions of the adjacent bars, means for rigidly connecting bars, each bar having a plurality of relatively short longitudinal parts spaced one from the other and projecting beyond the surface of said material. Y

9. A filler for a Jordan engine comprising a plurality of bars arranged side by side in circular series, adjacent bars having parts bent laterally into contact one with the other and having adjacent parts bent laterally in directions opposite the first mentioned parts to provide a space'between them, thewalls of said space extending obliquely to the length of said filler, means for rigidly connecting the contacting parts one with the other, and a mass of hard material partially filling the spaces between said bars, the oblique portions of each bar having parts projecting beyond the surface of said material to form blades and said blades being spaced one from the other lengthwise of said bar.

l0. A filler for a Jordan engine comprising a between said notches to extend obliquely to the length of said bar and 'to space said bars one from the other, and a mass of hard material lling the spaces between the continuous edge portions of said bars, extending through the inner portions of said notches and having its outer surface spaced inwardly from the outer edges of said blades.

ll. In a Jordan engine comprising a shell and a plug, cooperating fillers secured respectively to said shell and said plug and having opposed surfaces of abrasive material, each filler having a plurality of relatively short metallic projections extending beyond the surface thereof into coilller, said projections being spaced one from the other and each projection extending at an angle to adjacent projections to form tortuous passageways between said abrasive surfaces.

12. A tlller for a Jordan engine comprising a body of abrasive material and a plurality oi' rela- 1`tively short blades mounted in said material with their outer edges projecting beyond the surface thereof into the path of the stuff through said engine and having at their inner ends parts underlying said material, the projecting portions of u said blades being spaced apart and each projecting portion extending at an angle to the projecting portions of adjacent blades to form tortuous passageways over the surface of said abrasive material.

CHARLES J. STEINBARGER. 

